[Under Extrusion and Bad Output]

Hello,

I'm using UM2 from 2 years ago in Korea.

But recently, My UM2 have a trouble printing my cad data.

I'm using two of UM2, but all the machines make problems.

Here is the photo of output.

What is the problem?

This is my CURA setting

Layer Height : 0.1mm

Wall Thickness : 0.8mm

Top/Bottom Thickness : 0,.8mm

Infill Density : 20%

Enable Retraction

Print Speed : 60mm/s

Travel Speed : 120mm/s

Enable Support

Placement : Everywhere

Enable Support Roof

Support Roof Density : 100%

Adhesion Type : Brim

Brim Width : 10mm

[Printing quality is so bad]

Hi, I'm UM2 user in Korea, so please understand even if you can't read my English.

My problem is bad output of UM2

I've used UM2 about 1 year, but I can't get anyting from my 3D printer.

Please watch these images :

I've changed filament and nozzle(new) and PTEF coupler.

But It still doesn't work!

And I cleaned knuckle of extruder, and changed setting of filament diameter from 2.85mm to 2.95mm

How can I do more?

Please help me!

[UM2 - Under extrusion problem]

Hello,

I'm using 2 of UM2, from last year.

But, There are some problem lately.

As you see, Under extrusion has happened.

Both of them makes same problem.

Please help me.

I've attached stl file.

STL File

Thank you!

[Hello,I've problems with my UM2 LED brightness]

Hello Guys!

May the force be with you

And I have problem with my UM2 which bought 4 months ago.

I cannot control LED Brightness and It is so dim.

how can I do this?

plz help me!

Thank you!

 

[Printing problems]

Hello, guys!

I'm ultimaker user in Korea.

Recently, There are big trouble to my Ultimaker 2.

First, plz watch following movies

As you see, Printing quality is very poor.

And Extruder makes sound like "Dak-Dak".

I think this sound is maden by extruder slipping.

Printing condition is :

Layer thickness : 0.2mm

TOP/BOTTOM layer thickness : 0.8mm

Print Speed : 100mm/s

Fill density : 20

Support : Touching buildplate

Adhesion : Brim

Travel Speed : 150mm/s

And this is photo.

Please, Help me guys!

Your help will become very huge lucky!

Thank you!